[sdiy] Analysis of the TB-303 CPU timing
elfenjunge at gmx.net
Thu Mar 16 18:45:36 CET 2017
hmmmm, my first try says it's probably not worth the hassle.
Or can you hear a difference?
CPUs used in random order:
QS, RE-CPU, TB, RE-CPU with extra sloppy timing (double the latency
double clock polling time (3.6ms)
All normalized to -1dB
Am 16.03.2017 um 13:32 schrieb Tom Wiltshire:
> On 16 Mar 2017, at 11:43, Julian Schmidt <elfenjunge at gmx.net
> <mailto:elfenjunge at gmx.net>> wrote:
>> So I could record a few patterns with different CPUs in the same
>> synth hardware to exclude influences by differences in the analogue
>> part of the machine or different knob settings.
>> Would be interesting to find out
>> A) If people can hear the difference between original sequencer,
>> emulated sequencer and a tight sequencer
>> B) What listeners prefer if they are able to distinguish it.
>> maybe even add a 4th audio example to the test where the jitter and
>> latencies are increased slightly?
> I think this would be very interesting. There's a lot of hand-waving
> and magic around this little silver box and not much in the way of
> hard facts, so some serious research like you've been doing is
> extremely welcome.
> If you be bothered, setting up the test as a blind study so people
> don't know which file they're listening to, and then asking which one
> they think they heard and how much they like it would definitely be
> the best way to proceed, but I realise the work involved.
> Thanks very much for what you've done so far. It's fascinating.
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